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Merge pull request #9096 from LindsayBrown81/fix/disambiguate-property-meaning

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fix/disambiguate-property-meaning, make JSON valid in basic-javascript.json
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Jonathan
2016-06-18 19:28:53 +01:00
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parent 3fe5e79e52 3fa86377f8
commit 222077114a
1 changed files with 27 additions and 17 deletions
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seed/challenges/01-front-end-development-certification/basic-javascript.json
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@ -4329,6 +4329,13 @@
"<blockquote>var ourMusic = [<br> {<br> \"artist\": \"Daft Punk\",<br> \"title\": \"Homework\",<br> \"release_year\": 1997,<br> \"formats\": [ <br> \"CD\", <br> \"Cassette\", <br> \"LP\" ],<br> \"gold\": true<br> }<br>];</blockquote>", "<blockquote>var ourMusic = [<br> {<br> \"artist\": \"Daft Punk\",<br> \"title\": \"Homework\",<br> \"release_year\": 1997,<br> \"formats\": [ <br> \"CD\", <br> \"Cassette\", <br> \"LP\" ],<br> \"gold\": true<br> }<br>];</blockquote>",
"This is an array of objects and the object has various pieces of <dfn>metadata</dfn> about an album. It also has a nested <code>formats</code> array. Additional album records could be added to the top level array.", "This is an array of objects and the object has various pieces of <dfn>metadata</dfn> about an album. It also has a nested <code>formats</code> array. Additional album records could be added to the top level array.",
"<strong>Note</strong><br>You will need a comma in between objects with more than one object in the array.", "<strong>Note</strong><br>You will need a comma in between objects with more than one object in the array.",
"JavaScript Object Notation or <code>JSON</code> is a data interchange format used to store data (source: <a href=\"http://json.org/\">json.org</a>).",
"A property is the part of an object that associates a key (either a String value or a Symbol value) and a value (source: <a href=\"http://www.ecma-international.org/ecma-262/6.0/#sec-property\">ecma-international.org/ecma-262/6.0/#sec-property</a>). So, a property consists of a key - value pair. (source: <a href=\"http://spacetelescope.github.io/understanding-json-schema/reference/object.html#properties\">spacetelescope.github.io/understanding-json-schema/reference/object.html#properties</a>). Property keys (also known as names) should be in quotation marks.",
"Like JavaScript Objects, JSON is flexible because it is heterogeneous, meaning it permits <dfn>Data Structures</dfn> with arbitrary combinations of <dfn>strings</dfn>, <dfn>booleans</dfn>, <dfn>numbers</dfn>, <dfn>arrays</dfn>, and <dfn>objects</dfn>.",
"Here is an example of a JSON object:",
"<blockquote>var ourMusic = [<br> {<br> \"artist\": \"Daft Punk\",<br> \"title\": \"Homework\",<br> \"release_year\": 1997,<br> \"formats\": [ <br> \"CD\", <br> \"Cassette\", <br> \"LP\" ],<br> \"gold\": true<br> }<br>];</blockquote>",
"This is an array of objects and the object has various pieces of <dfn>metadata</dfn> about an album. It also has a nested <code>formats</code> array. Additional album records could be added to the top level array.",
"<strong>Note</strong><br>You will need to place a comma in between objects in JSON unless there is only one object in the array or containing object.",
"<h4>Instructions</h4>", "<h4>Instructions</h4>",
"Add a new album to the <code>myMusic</code> object. Add <code>artist</code> and <code>title</code> strings, <code>release_year</code> number, and a <code>formats</code> array of strings." "Add a new album to the <code>myMusic</code> object. Add <code>artist</code> and <code>title</code> strings, <code>release_year</code> number, and a <code>formats</code> array of strings."
], ],
@ -4503,45 +4510,48 @@
"title": "Record Collection", "title": "Record Collection",
"description": [ "description": [
"You are given an object representing (a small part of) your record collection. Each album is identified by a unique id number and has several properties. Not all albums have complete information.", "You are given an object representing (a small part of) your record collection. Each album is identified by a unique id number and has several properties. Not all albums have complete information.",
"You are given a JSON object representing (a small part of) your record collection. Each album is identified by a unique id number (its key) and has several properties. Not all albums have complete information.",
"Write a function which takes an <code>id</code>, a property (<code>prop</code>), and a <code>value</code>.", "Write a function which takes an <code>id</code>, a property (<code>prop</code>), and a <code>value</code>.",
"For the given <code>id</code> in <code>collection</code>:", "For the given <code>id</code> in <code>collection</code>:",
"If <code>value</code> is non-blank (<code>value !== \"\"</code>) and <code>prop</code> is not <code>\"tracks\"</code> then update or set the <code>value</code> for the <code>prop</code>.", "If <code>prop</code> does not contain the key <code>\"tracks\"</code>, then update or set the <code>value</code> for that incomplete <code>prop</code>.",
"If the <code>prop</code> is <code>\"tracks\"</code> and <code>value</code> is non-blank, push the <code>value</code> onto the end of the <code>tracks</code> array.", "If <code>prop</code> does not contain the key <code>\"tracks\"</code> before you update it, create an empty array before pushing a track to it.",
"If <code>\"tracks\"</code> is non-existent before you update it, create an empty array before pushing a track to it.", "If <code>prop</code> does contain the key <code>\"tracks\"</code> and its <code>value</code> is non-blank, then push the <code>value</code> onto the end of its existing <code>tracks</code> array.",
"If <code>value</code> is blank, delete that <code>prop</code>.", "If <code>value</code> is blank, delete that <code>prop</code>.",
"Always return the entire collection object.", "Always return the entire collection object.",
"<strong>Note</strong><br>Don't forget to use <code>bracket notation</code> when <a href=\"accessing-objects-properties-with-variables\" target=\"_blank\">accessing object properties with variables</a>." "<strong>Hints</strong><br>Use <code>bracket notation</code> when <a href=\"accessing-objects-properties-with-variables\" target=\"_blank\">accessing object properties with variables</a>.",
"Push is an array method you can read about on <a href=\"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push\">Mozilla Developer Network</a>.",
"You may refer back to <a href=\"https://www.freecodecamp.com/challenges/introducing-javascript-object-notation-json\">Introducing JavaScript Object Notation (JSON)</a> for a refresher."
], ],
"releasedOn": "January 1, 2016", "releasedOn": "January 1, 2016",
"challengeSeed": [ "challengeSeed": [
"// Setup", "// Setup",
"var collection = {", "var collection = {",
" 2548: {", " \"2548\": {",
" album: \"Slippery When Wet\",", " \"album\": \"Slippery When Wet\",",
" artist: \"Bon Jovi\",", " \"artist\": \"Bon Jovi\",",
" tracks: [ ", " tracks: [ ",
" \"Let It Rock\", ", " \"Let It Rock\", ",
" \"You Give Love a Bad Name\" ", " \"You Give Love a Bad Name\" ",
" ]", " ]",
" },", " },",
" 2468: {", " \"2468\": {",
" album: \"1999\",", " \"album\": \"1999\",",
" artist: \"Prince\",", " \"artist\": \"Prince\",",
" tracks: [ ", " \"tracks\": [ ",
" \"1999\", ", " \"1999\", ",
" \"Little Red Corvette\" ", " \"Little Red Corvette\" ",
" ]", " ]",
" },", " },",
" 1245: {", " \"1245\": {",
" artist: \"Robert Palmer\",", " \"artist\": \"Robert Palmer\",",
" tracks: [ ]", " \"tracks\": [ ]",
" },", " },",
" 5439: {", " \"5439\": {",
" album: \"ABBA Gold\"", " \"album\": \"ABBA Gold\"",
" }", " }",
"};", "};",
"// Keep a copy of the collection for tests", "// Keep a copy of the collection for tests",
"var collectionCopy = JSON.parse(JSON.stringify(collection));", "var collectionCopy = JSON.parse(stringify(collection));",
"", "",
"// Only change code below this line", "// Only change code below this line",
"function updateRecords(id, prop, value) {", "function updateRecords(id, prop, value) {",